Normal Neutral Atom

Structure of a Normal / Neutral Atom

Atomic Number: The # of protons in an atom. The atom's ID.

Atomic Mass: The average mass of all Oxygen atoms in the universe.

• Video: Tyler Dewitt - Atomic Mass Introduction

• Video: Tyler Dewitt - Difference between Atomic Mass and Mass Number

Mass Number: The # protons and # neutrons (total number of particles in the nucleus)

Electrons: In a NEUTRAL atom, the # electrons = # protons

• Video: Khan Academy - The Atom

• Video: Tyler Dewitt - Playlist of Atom Structure Videos: (many videos)

• Video: Tyler Dewitt - Misconceptions with Atoms, Protons, Neutrons, Electrons, Ions